Knowledge; A Monthly Record of Science Volume 9

Description

This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1886 edition. Excerpt: ...Mr. Matthew Arnold: --" Lists such as Sir John Lubbock's are interesting things to look at, but I feel no disposition to make one." Mr. Herbert Spencer: --" My reading has been much more in the direction of science than in the direction of general literature; and of such works in general literature as I have looked into I know comparatively little, being an impatient reader, and usually soon satiated." Panthers, Hyenas, And Jaceals.--Twelve hundred panthers have been destroyed, 1,882 hyenas, and 27,000 jackals. The destruction of these creatures may safely be regarded as an unmixed benefit, though it would not be so were not civilisation extending so that the work of carnivorous animals in destroying the surplus population of the deserts and the woods is no longer necessary.--Nensctutlc Wetkly Chronicle. THE NIGHT SKIES IN AUSTRALIA, CAPE COLONY, &o. T last, I think I have hit upon tho form in which the maps of the skies in the southern hemisphere will prove most useful. Yet must the map in the present number be regarded as only tentative. It will interest the student of the S3 heavens to note that the map which illustrates the skies of latitude 38 south, and is available for all places in the southern hemisphere between lati-a rather pretty problem in the astronomy of the late represents the horizon. For use in the northern hemisphere the line E O W represents the horizon from east at E through south at O, and to west at W; while the point marked N is over-head, and the semi-circumference, E N W, represents the prime vertical. It. seems curious to consider that that semicircle of the star sphere which forms our horizon from east through south to west at any hour is, on the same day and at the same hour of local...show more